| Tweet |
Custom Search
|
|
|
||
 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
HEATING, VENTILATION, AIR CONDITIONING, AND REFRIGERATION
(HVACR) SYSTEMS SHUTDOWN
INITIAL SETUP:
Personnel Required:
One Watercraft Engineer, 88L
GENERAL
This work package provides the following procedures:
1.
Secure the condenser units.
2.
Secure condenser cooling water.
3.
Secure the air conditioning plant piping system.
4.
Secure the reefer plant piping system.
5.
Secure the heating and ventilation systems.
6.
Secure the EOS marine air conditioning unit.
7.
Secure the electrical system.
SECURE THE CONDENSER UNITS
At the condensor units in AMS 2,
1.
Place the dehydrator inlet valve (figure 1, item 1) at all operating condensing units to the CLOSED position.
2.
Allow the condensers to operate until they shut down automatically by their suction pressure switch.
3.
Place the compressor suction valve (figure 1, item 2) of each condensing unit in the CLOSED position.
4.
Place the compressor discharge valve (figure 1, item 3) of each condensing unit in the CLOSED position.
5.
Set the following switches to the OFF position on the all condenser units:
a.
Main power disconnect switches (figure 1, item 4)
b.
Power ON/OFF switches (figure 1, item 5)
! CAUTION
Use a refrigeration ratchet wrench to open and close refrigeration system valves, or damage may
occur to the piping system.
6.
Secure the refrigerant piping by place the following valves in the CLOSED position at all condenser units:
c.
Condenser outlet valve (figure 1, item 6)
0107 00-1
|
||
|
||
